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Find more Dulko relatives and grow your tree by exploring billions of historical records. Taken every decade since 1790, the U.S. Federal Census can tell you a lot about your family. For example, from 1930 to 1940 there were 19 more people named Dulko in the United States — and some of them are likely related to you.

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Create, build, and explore your family tree.

What if you had a window into the history of your family? With historical records, you do. From home life to career, records help bring your relatives' experiences into focus. There were 39 people named Dulko in the 1930 U.S. Census. In 1940, there were 49% more people named Dulko in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 58 people named Dulko were living in the United States. In a snapshot:

  • They typically took 12 weeks of vacation a year
  • 31% of adults were unmarried
  • The youngest was 1 and the oldest was 59
  • Most common occupation was new worker

Learn where they came from and where they went.

As Dulko families continued to grow, they left more tracks on the map:

  • Most immigrants originated from Poland
  • The most common mother tongue was Polish
  • 64% were first-generation Americans
  • They most commonly lived in New York